The Eastern Diamondback Rattlesnake (Crotalus adamanteus) holds the title of being the largest venomous snake in North America and the largest rattlesnake species in the world. Found primarily in the southeastern United States, from North Carolina to Louisiana, and as far south as Florida, these impressive serpents can grow to lengths of over 8 feet (2.4 meters) and weigh up to 15 pounds (6.8 kilograms).

They are named for the distinctive diamond-shaped patterns along their backs and the rattles at the end of their tails, which they use as a warning signal when feeling threatened. Their venom is potent, primarily used for hunting prey such as small mammals, birds, and occasionally other reptiles. Despite their intimidating reputation, Eastern Diamondbacks typically avoid confrontations with humans and will usually retreat if given the chance. However, if provoked or cornered, they can deliver a powerful and potentially lethal bite.

Conservation efforts are underway to protect the Eastern Diamondback Rattlesnake, as habitat loss, road mortality, and persecution by humans have contributed to declining populations in some areas. As apex predators, they play a crucial role in maintaining the balance of their ecosystems, making their conservation important for biodiversity.